[U.S. Mission in Saudi Arabia: Hostile Actions Against Saudi Arabia May Escalate Rapidly] According to a report by Jinse Finance, on October 22, the U.S. Mission in Saudi Arabia issued a security alert on October 21, stating that Yemen's Houthi forces have been carrying out ongoing hostile actions against Saudi Arabia, targeting civilian airports and other critical infrastructure, resulting in civilian casualties and significant travel disruptions. "These hostile actions may escalate rapidly and spread further," the mission warned. The mission advised U.S. citizens to follow nationwide alerts issued via mobile phones by Saudi Arabia's Civil Defense Department. Given the recent frequent attacks on airports within Saudi Arabia, U.S. government personnel in Saudi Arabia must obtain special authorization from the mission chief to use any airports within the country. The mission also reminded U.S. citizens to remain vigilant about potential risks, including airport attacks, airspace closures, flight cancellations, and travel disruptions. "If you choose to use airports within Saudi Arabia, please exercise extreme caution." (Xinhua News Agency)